1
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Santisteban Celis IC, Matoba N. Lectibodies as antivirals. Antiviral Res 2024; 227:105901. [PMID: 38734211 DOI: 10.1016/j.antiviral.2024.105901] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2024] [Revised: 05/02/2024] [Accepted: 05/05/2024] [Indexed: 05/13/2024]
Abstract
Growing concerns regarding the emergence of highly transmissible viral diseases highlight the urgent need to expand the repertoire of antiviral therapeutics. For this reason, new strategies for neutralizing and inhibiting these viruses are necessary. A promising approach involves targeting the glycans present on the surfaces of enveloped viruses. Lectins, known for their ability to recognize specific carbohydrate molecules, offer the potential for glycan-targeted antiviral strategies. Indeed, numerous studies have reported the antiviral effects of various lectins of both endogenous and exogenous origins. However, many lectins in their natural forms, are not suitable for use as antiviral therapeutics due to toxicity, other unfavorable pharmacological effects, and/or unreliable manufacturing sources. Therefore, improvements are crucial for employing lectins as effective antiviral therapeutics. A novel approach to enhance lectins' suitability as pharmaceuticals could be the generation of recombinant lectin-Fc fusion proteins, termed "lectibodies." In this review, we discuss the scientific rationale behind lectin-based antiviral strategies and explore how lectibodies could facilitate the development of new antiviral therapeutics. We will also share our perspective on the potential of these molecules to transcend their potential use as antiviral agents.
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Affiliation(s)
- Ian Carlosalberto Santisteban Celis
- Department of Pharmacology and Toxicology, University of Louisville School of Medicine, Louisville, KY, USA; Center for Predictive Medicine for Biodefense and Emerging Infectious Diseases, University of Louisville School of Medicine, Louisville, KY, USA
| | - Nobuyuki Matoba
- Department of Pharmacology and Toxicology, University of Louisville School of Medicine, Louisville, KY, USA; Center for Predictive Medicine for Biodefense and Emerging Infectious Diseases, University of Louisville School of Medicine, Louisville, KY, USA; UofL Health - Brown Cancer Center, University of Louisville School of Medicine, Louisville, KY, USA.
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2
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Girgis M, Petruncio G, Russo P, Peyton S, Paige M, Campos D, Sanda M. Analysis of N- and O-linked site-specific glycosylation by ion mobility mass spectrometry: State of the art and future directions. Proteomics 2024; 24:e2300281. [PMID: 38171879 DOI: 10.1002/pmic.202300281] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Revised: 11/22/2023] [Accepted: 12/05/2023] [Indexed: 01/05/2024]
Abstract
Glycosylation, the major post-translational modification of proteins, significantly increases the diversity of proteoforms. Glycans are involved in a variety of pivotal structural and functional roles of proteins, and changes in glycosylation are profoundly connected to the progression of numerous diseases. Mass spectrometry (MS) has emerged as the gold standard for glycan and glycopeptide analysis because of its high sensitivity and the wealth of fragmentation information that can be obtained. Various separation techniques have been employed to resolve glycan and glycopeptide isomers at the front end of the MS. However, differentiating structures of isobaric and isomeric glycopeptides constitutes a challenge in MS-based characterization. Many reports described the use of various ion mobility-mass spectrometry (IM-MS) techniques for glycomic analyses. Nevertheless, very few studies have focused on N- and O-linked site-specific glycopeptidomic analysis. Unlike glycomics, glycoproteomics presents a multitude of inherent challenges in microheterogeneity, which are further exacerbated by the lack of dedicated bioinformatics tools. In this review, we cover recent advances made towards the growing field of site-specific glycosylation analysis using IM-MS with a specific emphasis on the MS techniques and capabilities in resolving isomeric peptidoglycan structures. Furthermore, we discuss commonly used software that supports IM-MS data analysis of glycopeptides.
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Affiliation(s)
- Michael Girgis
- Department of Bioengineering, College of Engineering & Computing, George Mason University, Fairfax, Virginia, USA
- Center for Molecular Engineering, George Mason University, Manassas, Virginia, USA
| | - Gregory Petruncio
- Center for Molecular Engineering, George Mason University, Manassas, Virginia, USA
- Department of Chemistry & Biochemistry, College of Science, George Mason University, Fairfax, Virginia, USA
| | - Paul Russo
- Center for Applied Proteomics and Molecular Medicine, George Mason University, Manassas, Virginia, USA
| | - Steven Peyton
- Center for Molecular Engineering, George Mason University, Manassas, Virginia, USA
| | - Mikell Paige
- Center for Molecular Engineering, George Mason University, Manassas, Virginia, USA
- Department of Chemistry & Biochemistry, College of Science, George Mason University, Fairfax, Virginia, USA
| | - Diana Campos
- Max-Planck-Institut fuer Herz- und Lungenforschung, Bad Nauheim, Germany
| | - Miloslav Sanda
- Max-Planck-Institut fuer Herz- und Lungenforschung, Bad Nauheim, Germany
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3
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Wang S, Ran W, Sun L, Fan Q, Zhao Y, Wang B, Yang J, He Y, Wu Y, Wang Y, Chen L, Chuchuay A, You Y, Zhu X, Wang X, Chen Y, Wang Y, Chen YQ, Yuan Y, Zhao J, Mao Y. Sequential glycosylations at the multibasic cleavage site of SARS-CoV-2 spike protein regulate viral activity. Nat Commun 2024; 15:4162. [PMID: 38755139 PMCID: PMC11099032 DOI: 10.1038/s41467-024-48503-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Accepted: 04/30/2024] [Indexed: 05/18/2024] Open
Abstract
The multibasic furin cleavage site at the S1/S2 boundary of the spike protein is a hallmark of SARS-CoV-2 and plays a crucial role in viral infection. However, the mechanism underlying furin activation and its regulation remain poorly understood. Here, we show that GalNAc-T3 and T7 jointly initiate clustered O-glycosylations in the furin cleavage site of the SARS-CoV-2 spike protein, which inhibit furin processing, suppress the incorporation of the spike protein into virus-like-particles and affect viral infection. Mechanistic analysis reveals that the assembly of the spike protein into virus-like particles relies on interactions between the furin-cleaved spike protein and the membrane protein of SARS-CoV-2, suggesting a possible mechanism for furin activation. Interestingly, mutations in the spike protein of the alpha and delta variants of the virus confer resistance against glycosylation by GalNAc-T3 and T7. In the omicron variant, additional mutations reverse this resistance, making the spike protein susceptible to glycosylation in vitro and sensitive to GalNAc-T3 and T7 expression in human lung cells. Our findings highlight the role of glycosylation as a defense mechanism employed by host cells against SARS-CoV-2 and shed light on the evolutionary interplay between the host and the virus.
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Affiliation(s)
- Shengjun Wang
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, China
- School of Health and Life Sciences, University of Health and Rehabilitation Sciences, Qingdao, China
| | - Wei Ran
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Lingyu Sun
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, China
| | - Qingchi Fan
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, China
| | - Yuanqi Zhao
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, China
- Foshan Institute for Food and Drug Control, Foshan, China
| | - Bowen Wang
- College of Life Science, Northwest University, Xi'an, China
| | - Jinghong Yang
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Yuqi He
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, China
| | - Ying Wu
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, China
| | - Yuanyuan Wang
- School of Public Health (Shenzhen), Shenzhen Campus of Sun Yat-sen University, Shenzhen, China
| | - Luoyi Chen
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, China
| | - Arpaporn Chuchuay
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, China
| | - Yuyu You
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, China
| | - Xinhai Zhu
- Instrumental Analysis & Research Center, Sun Yat-sen University, Guangzhou, China
| | - Xiaojuan Wang
- Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - Ye Chen
- Key Laboratory of Fujian-Taiwan Animal Pathogen Biology, College of Animal Sciences, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Yanqun Wang
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Yao-Qing Chen
- School of Public Health (Shenzhen), Shenzhen Campus of Sun Yat-sen University, Shenzhen, China
| | - Yanqiu Yuan
- State Key Laboratory of Anti-Infective Drug Discovery and Development, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, China.
| | - Jincun Zhao
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China.
- Institute of Infectious Disease, Guangzhou Eighth People's Hospital of Guangzhou Medical University, Guangzhou, China.
- Guangzhou Laboratory, Bio-island, Guangzhou, China.
- The Second Affiliated Hospital, School of Medicine, Southern University of Science and Technology, Shenzhen, China.
- Shanghai Institute for Advanced Immunochemical Studies, School of Life Science and Technology, ShanghaiTech University, Shanghai, China.
- Institute for Hepatology, National Clinical Research Center for Infectious Disease, Shenzhen Third People's Hospital, Shenzhen, China.
| | - Yang Mao
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, China.
- Guangdong Provincial Key Laboratory of Drug Non-Clinical Evaluation and Research, Guangzhou, China.
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4
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Roy R. Cancer cells and viruses share common glycoepitopes: exciting opportunities toward combined treatments. Front Immunol 2024; 15:1292588. [PMID: 38495885 PMCID: PMC10940920 DOI: 10.3389/fimmu.2024.1292588] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Accepted: 02/06/2024] [Indexed: 03/19/2024] Open
Abstract
Aberrant glycosylation patterns of glycoproteins and glycolipids have long been recognized as one the major hallmarks of cancer cells that has led to numerous glycoconjugate vaccine attempts. These abnormal glycosylation profiles mostly originate from the lack of key glycosyltransferases activities, mutations, over expressions, or modifications of the requisite chaperone for functional folding. Due to their relative structural simplicity, O-linked glycans of the altered mucin family of glycoproteins have been particularly attractive in the design of tumor associated carbohydrate-based vaccines. Several such glycoconjugate vaccine formulations have generated potent monoclonal anti-carbohydrate antibodies useful as diagnostic and immunotherapies in the fight against cancer. Paradoxically, glycoproteins related to enveloped viruses also express analogous N- and O-linked glycosylation patterns. However, due to the fact that viruses are not equipped with the appropriate glycosyl enzyme machinery, they need to hijack that of the infected host cells. Although the resulting N-linked glycans are very similar to those of normal cells, some of their O-linked glycan patterns often share the common structural simplicity to those identified on tumor cells. Consequently, given that both cancer cells and viral glycoproteins share both common N- and O-linked glycoepitopes, glycoconjugate vaccines could be highly attractive to generate potent immune responses to target both conditions.
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Affiliation(s)
- René Roy
- Glycosciences and Nanomaterial Laboratory, Université du Québec à Montréal, Montréal, QC, Canada
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5
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Magazine N, Zhang T, Bungwon AD, McGee MC, Wu Y, Veggiani G, Huang W. Immune Epitopes of SARS-CoV-2 Spike Protein and Considerations for Universal Vaccine Development. Immunohorizons 2024; 8:214-226. [PMID: 38427047 PMCID: PMC10985062 DOI: 10.4049/immunohorizons.2400003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Accepted: 02/01/2024] [Indexed: 03/02/2024] Open
Abstract
Despite the success of global vaccination programs in slowing the spread of COVID-19, these efforts have been hindered by the emergence of new SARS-CoV-2 strains capable of evading prior immunity. The mutation and evolution of SARS-CoV-2 have created a demand for persistent efforts in vaccine development. SARS-CoV-2 Spike protein has been the primary target for COVID-19 vaccine development, but it is also the hotspot of mutations directly involved in host susceptibility and virus immune evasion. Our ability to predict emerging mutants and select conserved epitopes is critical for the development of a broadly neutralizing therapy or a universal vaccine. In this article, we review the general paradigm of immune responses to COVID-19 vaccines, highlighting the immunological epitopes of Spike protein that are likely associated with eliciting protective immunity resulting from vaccination in humans. Specifically, we analyze the structural and evolutionary characteristics of the SARS-CoV-2 Spike protein related to immune activation and function via the TLRs, B cells, and T cells. We aim to provide a comprehensive analysis of immune epitopes of Spike protein, thereby contributing to the development of new strategies for broad neutralization or universal vaccination.
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Affiliation(s)
- Nicholas Magazine
- Department of Pathobiological Sciences, School of Veterinary Medicine, Louisiana State University, Baton Rouge, LA
| | - Tianyi Zhang
- Department of Pathobiological Sciences, School of Veterinary Medicine, Louisiana State University, Baton Rouge, LA
| | - Anang D. Bungwon
- Department of Pathobiological Sciences, School of Veterinary Medicine, Louisiana State University, Baton Rouge, LA
| | - Michael C. McGee
- Department of Pathobiological Sciences, School of Veterinary Medicine, Louisiana State University, Baton Rouge, LA
| | - Yingying Wu
- Department of Mathematics, University of Houston, Houston, TX
| | - Gianluca Veggiani
- Department of Pathobiological Sciences, School of Veterinary Medicine, Louisiana State University, Baton Rouge, LA
- Division of Biotechnology and Molecular Medicine, Louisiana State University, Baton Rouge, LA
| | - Weishan Huang
- Department of Pathobiological Sciences, School of Veterinary Medicine, Louisiana State University, Baton Rouge, LA
- Department of Microbiology and Immunology, College of Veterinary Medicine, Cornell University, Ithaca, NY
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6
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Zhou Y, Tan C, Zenobi R. Rapid Profiling of the Glycosylation Effects on the Binding of SARS-CoV-2 Spike Protein to Angiotensin-Converting Enzyme 2 Using MALDI-MS with High Mass Detection. Anal Chem 2024; 96:1898-1905. [PMID: 38279913 DOI: 10.1021/acs.analchem.3c03930] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2024]
Abstract
The spike protein receptor-binding domain (RBD) of SARS-CoV-2 binds directly to angiotensin-converting enzyme 2 (ACE2), mediating the host cell entry of SARS-CoV-2. Both spike protein and ACE2 are highly glycosylated, which can regulate the binding. Here, we utilized high-mass MALDI-MS with chemical cross-linking for profiling the glycosylation effects on the binding between RBD and ACE2. Overall, it was found that ACE2 glycosylation affects the binding more strongly than does RBD glycosylation. The binding affinity was improved after desialylation or partial deglycosylation (N690) of ACE2, while it decreased after degalactosylation. ACE2 can form dimers in solution, which bind more tightly to the RBD than the ACE2 monomers. The ACE2 dimerization and the binding of RBD to dimeric ACE2 can also be improved by the desialylation or deglycosylation of ACE2. Partial deglycosylation of ACE2 increased the dimerization of ACE2 and the binding affinity of RBD and ACE2 by more than a factor of 2, suggesting its high potential for neutralizing SARS-CoV-2. The method described in the work provided a simple way to analyze the protein-protein interaction without sample purification. It can be widely used for rapid profiling of glycosylation effects on protein-protein interaction for glycosylation-related diseases and the study of multiple interactions between protein and protein aggregates in a single system.
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Affiliation(s)
- Yuye Zhou
- Department of Chemistry and Applied Biosciences, Swiss Federal Institute of Technology (ETH), CH-8093 Zürich, Switzerland
- School of Engineering Sciences in Chemistry, Biotechnology and Health, Department of Chemistry, Division of Applied Physical Chemistry, Analytical Chemistry, KTH Royal Institute of Technology, SE-10044 Stockholm, Sweden
| | - Congrui Tan
- Department of Chemistry and Applied Biosciences, Swiss Federal Institute of Technology (ETH), CH-8093 Zürich, Switzerland
| | - Renato Zenobi
- Department of Chemistry and Applied Biosciences, Swiss Federal Institute of Technology (ETH), CH-8093 Zürich, Switzerland
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Hanisch FG. Site-Specific O-glycosylation of SARS-CoV-2 Spike Protein and Its Impact on Immune and Autoimmune Responses. Cells 2024; 13:107. [PMID: 38247799 PMCID: PMC10814047 DOI: 10.3390/cells13020107] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2023] [Revised: 01/02/2024] [Accepted: 01/03/2024] [Indexed: 01/23/2024] Open
Abstract
The world-wide COVID-19 pandemic has promoted a series of alternative vaccination strategies aiming to elicit neutralizing adaptive immunity in the human host. However, restricted efficacies of these vaccines targeting epitopes on the spike (S) protein that is involved in primary viral entry were observed and putatively assigned to viral glycosylation as an effective escape mechanism. Besides the well-recognized N-glycan shield covering SARS-CoV-2 spike (S) proteins, immunization strategies may be hampered by heavy O-glycosylation and variable O-glycosites fluctuating depending on the organ sites of primary infection and those involved in immunization. A further complication associated with viral glycosylation arises from the development of autoimmune antibodies to self-carbohydrates, including O-linked blood group antigens, as structural parts of viral proteins. This outline already emphasizes the importance of viral glycosylation in general and, in particular, highlights the impact of the site-specific O-glycosylation of virions, since this modification is independent of sequons and varies strongly in dependence on cell-specific repertoires of peptidyl-N-acetylgalactosaminyltransferases with their varying site preferences and of glycan core-specific glycosyltransferases. This review summarizes the current knowledge on the viral O-glycosylation of the SARS-CoV-2 spike protein and its impact on virulence and immune modulation in the host.
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Affiliation(s)
- Franz-Georg Hanisch
- Center of Biochemistry, Medical Faculty, University of Cologne, Joseph-Stelzmann-Str. 52, 50931 Cologne, Germany
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8
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Chatterjee S, Zaia J. Proteomics-based mass spectrometry profiling of SARS-CoV-2 infection from human nasopharyngeal samples. MASS SPECTROMETRY REVIEWS 2024; 43:193-229. [PMID: 36177493 PMCID: PMC9538640 DOI: 10.1002/mas.21813] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Revised: 09/07/2022] [Accepted: 09/09/2022] [Indexed: 05/12/2023]
Abstract
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is the cause of the on-going global pandemic of coronavirus disease 2019 (COVID-19) that continues to pose a significant threat to public health worldwide. SARS-CoV-2 encodes four structural proteins namely membrane, nucleocapsid, spike, and envelope proteins that play essential roles in viral entry, fusion, and attachment to the host cell. Extensively glycosylated spike protein efficiently binds to the host angiotensin-converting enzyme 2 initiating viral entry and pathogenesis. Reverse transcriptase polymerase chain reaction on nasopharyngeal swab is the preferred method of sample collection and viral detection because it is a rapid, specific, and high-throughput technique. Alternate strategies such as proteomics and glycoproteomics-based mass spectrometry enable a more detailed and holistic view of the viral proteins and host-pathogen interactions and help in detection of potential disease markers. In this review, we highlight the use of mass spectrometry methods to profile the SARS-CoV-2 proteome from clinical nasopharyngeal swab samples. We also highlight the necessity for a comprehensive glycoproteomics mapping of SARS-CoV-2 from biological complex matrices to identify potential COVID-19 markers.
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Affiliation(s)
- Sayantani Chatterjee
- Department of Biochemistry, Center for Biomedical Mass SpectrometryBoston University School of MedicineBostonMassachusettsUSA
| | - Joseph Zaia
- Department of Biochemistry, Center for Biomedical Mass SpectrometryBoston University School of MedicineBostonMassachusettsUSA
- Bioinformatics ProgramBoston University School of MedicineBostonMassachusettsUSA
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9
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Downs M, Curran J, Zaia J, Sethi MK. Analysis of complex proteoglycans using serial proteolysis and EThcD provides deep N- and O-glycoproteomic coverage. Anal Bioanal Chem 2023; 415:6995-7009. [PMID: 37728749 PMCID: PMC10865727 DOI: 10.1007/s00216-023-04934-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2023] [Revised: 08/24/2023] [Accepted: 08/28/2023] [Indexed: 09/21/2023]
Abstract
Proteoglycans are a small but diverse family of proteins that play a wide variety of roles at the cell surface and in the extracellular matrix. In addition to their glycosaminoglycan (GAG) chains, they are N- and O-glycosylated. All of these types of glycosylation are crucial to their function but present a considerable analytical challenge. We describe the combination of serial proteolysis followed by the application of higher-energy collisional dissociation (HCD) and electron transfer/higher-energy collisional dissociation (EThcD) to optimize protein sequence coverage and glycopeptide identification from proteoglycans. In many cases, the use of HCD alone allows the identification of more glycopeptides. However, the localization of glycoforms on multiply glycosylated peptides has remained elusive. We demonstrate the use of EThcD for the confident assignment of glycan compositions on multiply glycosylated peptides. Dense glycosylation on proteoglycans is key to their biological function; thus, developing tools to identify and quantify doubly glycosylated peptides is of interest. Additionally, glycoproteomics searches identify glycopeptides in otherwise poorly covered regions of proteoglycans. The development of these and other analytical tools may permit glycoproteomic similarity comparisons in biological samples.
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Affiliation(s)
- Margaret Downs
- Department of Biochemistry and Cell Biology, Center for Biomedical Mass Spectrometry, Boston University Chobanian and Avedisian School of Medicine, Boston, MA, USA
| | - Jillian Curran
- Department of Biochemistry and Cell Biology, Center for Biomedical Mass Spectrometry, Boston University Chobanian and Avedisian School of Medicine, Boston, MA, USA
| | - Joseph Zaia
- Department of Biochemistry and Cell Biology, Center for Biomedical Mass Spectrometry, Boston University Chobanian and Avedisian School of Medicine, Boston, MA, USA
- Bioinformatics Program, Boston University, Boston, MA, USA
| | - Manveen K Sethi
- Department of Biochemistry and Cell Biology, Center for Biomedical Mass Spectrometry, Boston University Chobanian and Avedisian School of Medicine, Boston, MA, USA.
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10
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Magazine N, Zhang T, Bungwon AD, McGee MC, Wu Y, Veggiani G, Huang W. Immune Epitopes of SARS-CoV-2 Spike Protein and Considerations for Universal Vaccine Development. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.10.26.564184. [PMID: 37961687 PMCID: PMC10634854 DOI: 10.1101/2023.10.26.564184] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2023]
Abstract
Despite the success of global vaccination programs in slowing the spread of COVID-19, these efforts have been hindered by the emergence of new SARS-CoV-2 strains capable of evading prior immunity. The mutation and evolution of SARS-CoV-2 have created a demand for persistent efforts in vaccine development. SARS-CoV-2 Spike protein has been the primary target for COVID-19 vaccine development, but it is also the hotspot of mutations directly involved in host susceptibility and immune evasion. Our ability to predict emerging mutants and select conserved epitopes is critical for the development of a broadly neutralizing therapy or a universal vaccine. In this article, we review the general paradigm of immune responses to COVID-19 vaccines, highlighting the immunological epitopes of Spike protein that are likely associated with eliciting protective immunity resulting from vaccination. Specifically, we analyze the structural and evolutionary characteristics of the SARS-CoV-2 Spike protein related to immune activation and function via the toll-like receptors (TLRs), B cells, and T cells. We aim to provide a comprehensive analysis of immune epitopes of Spike protein, thereby contributing to the development of new strategies for broad neutralization or universal vaccination.
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Affiliation(s)
- Nicholas Magazine
- Department of Pathobiological Sciences, School of Veterinary Medicine, Louisiana State University, Baton Rouge, LA 70803, USA
| | - Tianyi Zhang
- Department of Pathobiological Sciences, School of Veterinary Medicine, Louisiana State University, Baton Rouge, LA 70803, USA
| | - Anang D. Bungwon
- Department of Pathobiological Sciences, School of Veterinary Medicine, Louisiana State University, Baton Rouge, LA 70803, USA
| | - Michael C. McGee
- Department of Pathobiological Sciences, School of Veterinary Medicine, Louisiana State University, Baton Rouge, LA 70803, USA
| | - Yingying Wu
- Department of Mathematics, University of Houston, Houston, TX 77204, USA
| | - Gianluca Veggiani
- Department of Pathobiological Sciences, School of Veterinary Medicine, Louisiana State University, Baton Rouge, LA 70803, USA
- Division of Biotechnology and Molecular Medicine, Louisiana State University, Baton Rouge, LA, 70803, USA
| | - Weishan Huang
- Department of Pathobiological Sciences, School of Veterinary Medicine, Louisiana State University, Baton Rouge, LA 70803, USA
- Department of Microbiology and Immunology, College of Veterinary Medicine, Cornell University, Ithaca, NY 14853, USA
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11
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Wei L, Chen Y, Feng X, Yao J, Zhang L, Zhou X, Yan G, Qiu H, Wang C, Lu H. Elucidation of N-/ O-glycosylation and site-specific mapping of sialic acid linkage isomers of SARS-CoV-2 human receptor angiotensin-converting enzyme 2. Analyst 2023; 148:5002-5011. [PMID: 37728433 DOI: 10.1039/d3an01079a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/21/2023]
Abstract
Human angiotensin-converting enzyme 2 (hACE2) is the primary receptor for cellular entry of SARS-CoV-2 into human host cells. hACE2 is heavily glycosylated and glycans on the receptor may play a role in viral binding. Thus, comprehensive characterization of hACE2 glycosylation could aid our understanding of interactions between the receptor and SARS-CoV-2 spike (S) protein, as well as provide a basis for the development of therapeutic drugs targeting this crucial interaction. Herein, 138 N-glycan compositions were identified, most of which are complex-type N-glycans, from seven N-glycosites of hACE2. Among them, 67% contain at least one sialic acid residue. At the level of glycopeptides, the overall quantification of sialylated glycan isomers observed on the sites N322 and N546 have a higher degree of NeuAc (α2-3)Gal (over 80.3%) than that of other N-glycosites (35.6-71.0%). In terms of O-glycans, 69 glycan compositions from 12 O-glycosites were identified, and especially, the C-terminus of hACE2 is heavily O-glycosylated. The terminal sialic acid linkage type of H1N1S1 and H1N1S2 are covered highly with α2,3-sialic acid. These findings could aid the investigation of the interaction between SARS-CoV-2 and human host cells.
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Affiliation(s)
- Liming Wei
- Institutes of Biomedical Sciences and Department of Chemistry, Fudan University, 131 Dongan Road, 20032 Shanghai, China.
| | - Yuning Chen
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences Department, 555 Zuchongzhi Road, 201203 Shanghai, China.
- School of Pharmacy, University of Chinese Academy of Sciences, No. 19A Yuquan Road, 100049 Beijing, China
| | - Xiaoxiao Feng
- Institutes of Biomedical Sciences and Department of Chemistry, Fudan University, 131 Dongan Road, 20032 Shanghai, China.
| | - Jun Yao
- Institutes of Biomedical Sciences and Department of Chemistry, Fudan University, 131 Dongan Road, 20032 Shanghai, China.
| | - Lei Zhang
- Institutes of Biomedical Sciences and Department of Chemistry, Fudan University, 131 Dongan Road, 20032 Shanghai, China.
| | - Xinwen Zhou
- Institutes of Biomedical Sciences and Department of Chemistry, Fudan University, 131 Dongan Road, 20032 Shanghai, China.
| | - Guoquan Yan
- Institutes of Biomedical Sciences and Department of Chemistry, Fudan University, 131 Dongan Road, 20032 Shanghai, China.
| | - Hong Qiu
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences Department, 555 Zuchongzhi Road, 201203 Shanghai, China.
- School of Pharmacy, University of Chinese Academy of Sciences, No. 19A Yuquan Road, 100049 Beijing, China
| | - Chunhe Wang
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences Department, 555 Zuchongzhi Road, 201203 Shanghai, China.
- School of Pharmacy, University of Chinese Academy of Sciences, No. 19A Yuquan Road, 100049 Beijing, China
| | - Haojie Lu
- Institutes of Biomedical Sciences and Department of Chemistry, Fudan University, 131 Dongan Road, 20032 Shanghai, China.
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12
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Onigbinde S, Reyes CDG, Fowowe M, Daramola O, Atashi M, Bennett AI, Mechref Y. Variations in O-Glycosylation Patterns Influence Viral Pathogenicity, Infectivity, and Transmissibility in SARS-CoV-2 Variants. Biomolecules 2023; 13:1467. [PMID: 37892149 PMCID: PMC10604390 DOI: 10.3390/biom13101467] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Revised: 09/22/2023] [Accepted: 09/24/2023] [Indexed: 10/29/2023] Open
Abstract
The highly glycosylated S protein plays a vital role in host cell invasion, making it the principal target for vaccine development. Differences in mutations observed on the spike (S) protein of SARS-CoV-2 variants may result in distinct glycosylation patterns, thus influencing immunological evasion, infectivity, and transmissibility. The glycans can mask key epitopes on the S1 protein and alter its structural conformation, allowing the virus to escape the immune system. Therefore, we comprehensively characterize O-glycosylation in eleven variants of SARS-CoV-2 S1 subunits to understand the differences observed in the biology of the variants. In-depth characterization was performed with a double digestion strategy and an efficient LC-MS/MS approach. We observed that O-glycosylation is highly conserved across all variants in the region between the NTD and RBD, whereas other domains and regions exhibit variation in O-glycosylation. Notably, omicron has the highest number of O-glycosylation sites on the S1 subunit. Also, omicron has the highest level of sialylation in the RBD and RBM functional motifs. Our findings may shed light on how differences in O-glycosylation impact viral pathogenicity in variants of SARS-CoV-2 and facilitate the development of a robust vaccine with high protective efficacy against the variants of concern.
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Affiliation(s)
| | | | | | | | | | | | - Yehia Mechref
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, TX 79409, USA; (S.O.); (C.D.G.R.); (M.F.); (O.D.); (M.A.); (A.I.B.)
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13
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Ziganshina MM, Shilova NV, Khalturina EO, Dolgushina NV, V Borisevich S, Yarotskaya EL, Bovin NV, Sukhikh GT. Antibody-Dependent Enhancement with a Focus on SARS-CoV-2 and Anti-Glycan Antibodies. Viruses 2023; 15:1584. [PMID: 37515270 PMCID: PMC10384250 DOI: 10.3390/v15071584] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Revised: 07/17/2023] [Accepted: 07/18/2023] [Indexed: 07/30/2023] Open
Abstract
Antibody-dependent enhancement (ADE) is a phenomenon where virus-specific antibodies paradoxically cause enhanced viral replication and/or excessive immune responses, leading to infection exacerbation, tissue damage, and multiple organ failure. ADE has been observed in many viral infections and is supposed to complicate the course of COVID-19. However, the evidence is insufficient. Since no specific laboratory markers have been described, the prediction and confirmation of ADE are very challenging. The only possible predictor is the presence of already existing (after previous infection) antibodies that can bind to viral epitopes and promote the disease enhancement. At the same time, the virus-specific antibodies are also a part of immune response against a pathogen. These opposite effects of antibodies make ADE research controversial. The assignment of immunoglobulins to ADE-associated or virus neutralizing is based on their affinity, avidity, and content in blood. However, these criteria are not clearly defined. Another debatable issue (rather terminological, but no less important) is that in most publications about ADE, all immunoglobulins produced by the immune system against pathogens are qualified as pre-existing antibodies, thus ignoring the conventional use of this term for natural antibodies produced without any stimulation by pathogens. Anti-glycan antibodies (AGA) make up a significant part of the natural immunoglobulins pool, and there is some evidence of their antiviral effect, particularly in COVID-19. AGA have been shown to be involved in ADE in bacterial infections, but their role in the development of ADE in viral infections has not been studied. This review focuses on pros and cons for AGA as an ADE trigger. We also present the results of our pilot studies, suggesting that AGAs, which bind to complex epitopes (glycan plus something else in tight proximity), may be involved in the development of the ADE phenomenon.
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Affiliation(s)
- Marina M Ziganshina
- National Medical Research Center for Obstetrics, Gynecology and Perinatology of the Ministry of Health of the Russian Federation, Oparina Street 4, 117997 Moscow, Russia
| | - Nadezhda V Shilova
- National Medical Research Center for Obstetrics, Gynecology and Perinatology of the Ministry of Health of the Russian Federation, Oparina Street 4, 117997 Moscow, Russia
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, 117997 Moscow, Russia
| | - Eugenia O Khalturina
- National Medical Research Center for Obstetrics, Gynecology and Perinatology of the Ministry of Health of the Russian Federation, Oparina Street 4, 117997 Moscow, Russia
- Federal State Autonomous Educational Institution of Higher Education I.M. Sechenov First Moscow State Medical University of the Ministry of Health of the Russian Federation (Sechenov University), 119991 Moscow, Russia
| | - Natalya V Dolgushina
- National Medical Research Center for Obstetrics, Gynecology and Perinatology of the Ministry of Health of the Russian Federation, Oparina Street 4, 117997 Moscow, Russia
- Federal State Autonomous Educational Institution of Higher Education I.M. Sechenov First Moscow State Medical University of the Ministry of Health of the Russian Federation (Sechenov University), 119991 Moscow, Russia
| | | | - Ekaterina L Yarotskaya
- National Medical Research Center for Obstetrics, Gynecology and Perinatology of the Ministry of Health of the Russian Federation, Oparina Street 4, 117997 Moscow, Russia
| | - Nicolai V Bovin
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, 117997 Moscow, Russia
| | - Gennady T Sukhikh
- National Medical Research Center for Obstetrics, Gynecology and Perinatology of the Ministry of Health of the Russian Federation, Oparina Street 4, 117997 Moscow, Russia
- Federal State Autonomous Educational Institution of Higher Education I.M. Sechenov First Moscow State Medical University of the Ministry of Health of the Russian Federation (Sechenov University), 119991 Moscow, Russia
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14
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Liu J, Lv J, Liu Z, Fang Z, Lai C, Zhao S, Ye M, Wang F. Enhanced Interfacial H-Bond Networks Promote Glycan-Glycan Recognition and Interaction. ACS APPLIED MATERIALS & INTERFACES 2023; 15:17592-17600. [PMID: 36988558 DOI: 10.1021/acsami.3c00387] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/19/2023]
Abstract
H-bond networks at heterogeneous interfaces play crucial roles in bioseparation, biocatalysis, biochip array profiling, and functional nanosystem self-assembly, but their precise modulation and enhancement remain challenging. In this study, we have discovered that interfacial hydrophobic hydration significantly enhances H-bond networks at the interface between a glycan-modified adsorbent and a methanol-water-acetonitrile ternary solution. The enhanced H-bond networks greatly promote the adsorbent-solution heterogeneous glycan-glycan recognition and interaction. This novel hydrophobic hydration-enhanced hydrophilic interaction (HEHI) strategy improves the affinity and efficiency of intact glycopeptide enrichment. Compared with the commonly used hydrophilic-interaction enrichment strategy, 23.5 and 48.5% more intact N- and O-glycopeptides are identified, and the enrichment recoveries of half of the glycopeptides are increased >100%. Further, in-depth profiling of both N- and O-glycosylation occurring on SARS-CoV-2 S1 and hACE2 proteins has been achieved with more glycan types and novel O-glycosylation information involved. Interfacial hydrophobic hydration provides a powerful tool for the modulation of hydrophilic interactions in biological systems.
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Affiliation(s)
- Jing Liu
- College of Pharmacy, Dalian Medical University, Dalian 116044, China
- CAS Key Laboratory of Separation Sciences for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Ji Lv
- CAS Key Laboratory of Separation Sciences for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Zheyi Liu
- CAS Key Laboratory of Separation Sciences for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Zheng Fang
- CAS Key Laboratory of Separation Sciences for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Can Lai
- CAS Key Laboratory of Separation Sciences for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Shan Zhao
- CAS Key Laboratory of Separation Sciences for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Mingliang Ye
- CAS Key Laboratory of Separation Sciences for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Fangjun Wang
- CAS Key Laboratory of Separation Sciences for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
- University of Chinese Academy of Sciences, Beijing 100049, China
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15
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Gonzalez-Rodriguez E, Zol-Hanlon M, Bineva-Todd G, Marchesi A, Skehel M, Mahoney KE, Roustan C, Borg A, Di Vagno L, Kjær S, Wrobel AG, Benton DJ, Nawrath P, Flitsch SL, Joshi D, González-Ramírez A, Wilkinson KA, Wilkinson RJ, Wall EC, Hurtado-Guerrero R, Malaker SA, Schumann B. O-Linked Sialoglycans Modulate the Proteolysis of SARS-CoV-2 Spike and Likely Contribute to the Mutational Trajectory in Variants of Concern. ACS CENTRAL SCIENCE 2023; 9:393-404. [PMID: 36968546 PMCID: PMC10037455 DOI: 10.1021/acscentsci.2c01349] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Indexed: 06/18/2023]
Abstract
The emergence of a polybasic cleavage motif for the protease furin in SARS-CoV-2 spike has been established as a major factor for human viral transmission. The region N-terminal to that motif is extensively mutated in variants of concern (VOCs). Besides furin, spikes from these variants appear to rely on other proteases for maturation, including TMPRSS2. Glycans near the cleavage site have raised questions about proteolytic processing and the consequences of variant-borne mutations. Here, we identify that sialic acid-containing O-linked glycans on Thr678 of SARS-CoV-2 spike influence furin and TMPRSS2 cleavage and posit O-linked glycosylation as a likely driving force for the emergence of VOC mutations. We provide direct evidence that the glycosyltransferase GalNAc-T1 primes glycosylation at Thr678 in the living cell, an event that is suppressed by mutations in the VOCs Alpha, Delta, and Omicron. We found that the sole incorporation of N-acetylgalactosamine did not impact furin activity in synthetic O-glycopeptides, but the presence of sialic acid reduced the furin rate by up to 65%. Similarly, O-glycosylation with a sialylated trisaccharide had a negative impact on TMPRSS2 cleavage. With a chemistry-centered approach, we substantiate O-glycosylation as a major determinant of spike maturation and propose disruption of O-glycosylation as a substantial driving force for VOC evolution.
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Affiliation(s)
- Edgar Gonzalez-Rodriguez
- Chemical
Glycobiology Laboratory, The Francis Crick
Institute, NW1 1AT London, United Kingdom
- Department
of Chemistry, Imperial College London, W12 0BZ London, United Kingdom
| | - Mia Zol-Hanlon
- Chemical
Glycobiology Laboratory, The Francis Crick
Institute, NW1 1AT London, United Kingdom
- Signalling
and Structural Biology Lab, The Francis
Crick Institute, NW1 1AT London, United Kingdom
| | - Ganka Bineva-Todd
- Chemical
Glycobiology Laboratory, The Francis Crick
Institute, NW1 1AT London, United Kingdom
| | - Andrea Marchesi
- Chemical
Glycobiology Laboratory, The Francis Crick
Institute, NW1 1AT London, United Kingdom
- Department
of Chemistry, Imperial College London, W12 0BZ London, United Kingdom
| | - Mark Skehel
- Proteomics
Science Technology Platform, The Francis
Crick Institute, NW1 1AT London, United Kingdom
| | - Keira E. Mahoney
- Department
of Chemistry, Yale University, 275 Prospect Street, 06511 New Haven, Connecticut, United States
| | - Chloë Roustan
- Structural
Biology Science Technology Platform, The
Francis Crick Institute, NW1 1AT London, United Kingdom
| | - Annabel Borg
- Structural
Biology Science Technology Platform, The
Francis Crick Institute, NW1 1AT London, United Kingdom
| | - Lucia Di Vagno
- Chemical
Glycobiology Laboratory, The Francis Crick
Institute, NW1 1AT London, United Kingdom
- Proteomics
Science Technology Platform, The Francis
Crick Institute, NW1 1AT London, United Kingdom
| | - Svend Kjær
- Structural
Biology Science Technology Platform, The
Francis Crick Institute, NW1 1AT London, United Kingdom
| | - Antoni G. Wrobel
- Structural
Biology of Disease Processes Laboratory, Francis Crick Institute, NW1 1AT London, United Kingdom
| | - Donald J. Benton
- Structural
Biology of Disease Processes Laboratory, Francis Crick Institute, NW1 1AT London, United Kingdom
| | - Philipp Nawrath
- Structural
Biology of Disease Processes Laboratory, Francis Crick Institute, NW1 1AT London, United Kingdom
| | - Sabine L. Flitsch
- Manchester
Institute of Biotechnology, University of
Manchester, 131 Princess Street, M1 7DN Manchester, United Kingdom
| | - Dhira Joshi
- Chemical
Biology Science Technology Platform, The
Francis Crick Institute, NW1 1AT London, United Kingdom
| | | | - Katalin A. Wilkinson
- Tuberculosis
Laboratory, The Francis Crick Institute, NW1 1AT London, United Kingdom
- Wellcome
Centre for Infectious Diseases Research in Africa, University of Cape Town, 7925 Observatory, Cape Town, South Africa
| | - Robert J. Wilkinson
- Tuberculosis
Laboratory, The Francis Crick Institute, NW1 1AT London, United Kingdom
- Wellcome
Centre for Infectious Diseases Research in Africa, University of Cape Town, 7925 Observatory, Cape Town, South Africa
- Department
of Infectious Diseases, Imperial College
London, W12 0NN London, United Kingdom
- Institute
of Infectious Disease and Molecular Medicine and Department of Medicine, University of Cape Town, 7925 Observatory, Cape Town, South Africa
| | - Emma C. Wall
- The Francis
Crick Institute, NW1 1AT London, United Kingdom
- University
College London Hospitals (UCLH) Biomedical Research Centre, W1T 7DN London, United Kingdom
| | - Ramón Hurtado-Guerrero
- Institute
of Biocomputation and Physics of Complex Systems, University of Zaragoza, 50018 Zaragoza, Spain
- Copenhagen
Center for Glycomics, Department of Cellular and Molecular Medicine, University of Copenhagen, 2200 Copenhagen, Denmark
- Fundación
ARAID, 50018 Zaragoza, Spain
| | - Stacy A. Malaker
- Department
of Chemistry, Yale University, 275 Prospect Street, 06511 New Haven, Connecticut, United States
| | - Benjamin Schumann
- Chemical
Glycobiology Laboratory, The Francis Crick
Institute, NW1 1AT London, United Kingdom
- Department
of Chemistry, Imperial College London, W12 0BZ London, United Kingdom
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16
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Lohia S, Latosinska A, Zoidakis J, Makridakis M, Mischak H, Glorieux G, Vlahou A, Jankowski V. Glycosylation Analysis of Urinary Peptidome Highlights IGF2 Glycopeptides in Association with CKD. Int J Mol Sci 2023; 24:ijms24065402. [PMID: 36982475 PMCID: PMC10048973 DOI: 10.3390/ijms24065402] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Revised: 02/26/2023] [Accepted: 03/08/2023] [Indexed: 03/14/2023] Open
Abstract
Chronic kidney disease (CKD) is prevalent in 10% of world’s adult population. The role of protein glycosylation in causal mechanisms of CKD progression is largely unknown. The aim of this study was to identify urinary O-linked glycopeptides in association to CKD for better characterization of CKD molecular manifestations. Urine samples from eight CKD and two healthy subjects were analyzed by CE-MS/MS and glycopeptides were identified by a specific software followed by manual inspection of the spectra. Distribution of the identified glycopeptides and their correlation with Age, eGFR and Albuminuria were evaluated in 3810 existing datasets. In total, 17 O-linked glycopeptides from 7 different proteins were identified, derived primarily from Insulin-like growth factor-II (IGF2). Glycosylation occurred at the surface exposed IGF2 Threonine 96 position. Three glycopeptides (DVStPPTVLPDNFPRYPVGKF, DVStPPTVLPDNFPRYPVG and DVStPPTVLPDNFPRYP) exhibited positive correlation with Age. The IGF2 glycopeptide (tPPTVLPDNFPRYP) showed a strong negative association with eGFR. These results suggest that with aging and deteriorating kidney function, alterations in IGF2 proteoforms take place, which may reflect changes in mature IGF2 protein. Further experiments corroborated this hypothesis as IGF2 increased plasma levels were observed in CKD patients. Protease predictions, considering also available transcriptomics data, suggest activation of cathepsin S with CKD, meriting further investigation.
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Affiliation(s)
- Sonnal Lohia
- Center of Systems Biology, Biomedical Research Foundation of the Academy of Athens, 11527 Athens, Greece
- Institute for Molecular Cardiovascular Research, RWTH Aachen University Hospital, 52074 Aachen, Germany
| | | | - Jerome Zoidakis
- Center of Systems Biology, Biomedical Research Foundation of the Academy of Athens, 11527 Athens, Greece
| | - Manousos Makridakis
- Center of Systems Biology, Biomedical Research Foundation of the Academy of Athens, 11527 Athens, Greece
| | | | - Griet Glorieux
- Department of Internal Medicine and Pediatrics, Nephrology Division, Ghent University Hospital, 9000 Gent, Belgium
| | - Antonia Vlahou
- Center of Systems Biology, Biomedical Research Foundation of the Academy of Athens, 11527 Athens, Greece
| | - Vera Jankowski
- Institute for Molecular Cardiovascular Research, RWTH Aachen University Hospital, 52074 Aachen, Germany
- Correspondence: ; Tel.: +49-(0241)-80-80580
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17
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Rong Y, Wang X, Mao W, Chen M, Wang S, Wang PG, He Y, Kong Y. O-GalNAc glycosylation affects the immunogenicity of the receptor-binding domain (RBD) of SARS-CoV-2 spike protein. Chem Commun (Camb) 2023; 59:1797-1800. [PMID: 36722411 DOI: 10.1039/d2cc06583e] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
The spike protein of SARS-CoV-2 has been widely used as an effective vaccine immunogen, although some limitations still remain. Herein, O-GalNAc glycosylated RBD (Tn-RBD) was synthesized as an antigen via in vitro glycosylation reactions. The inhibition ability against hACE2 binding of antibodies induced with Tn-RBD was 30-40% increased compared to that induced with RBD. This result implies that Tn-glycosylation might play important roles in the immunogenicity of the RBD protein, which should be considered in the design of novel vaccines to fight against COVID-19.
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Affiliation(s)
- Yongheng Rong
- National Glycoengineering Research Center, Shandong Key Laboratory of Carbohydrate Chemistry and Glycobiology, State Key Laboratory of Microbial Technology, Shandong University, Qingdao, 266237, China.
| | - Xingyun Wang
- School of Medicine, Southern University of Science and Technology, Shenzhen, 518055, China.
| | - Weian Mao
- National Glycoengineering Research Center, Shandong Key Laboratory of Carbohydrate Chemistry and Glycobiology, State Key Laboratory of Microbial Technology, Shandong University, Qingdao, 266237, China.
| | - Min Chen
- National Glycoengineering Research Center, Shandong Key Laboratory of Carbohydrate Chemistry and Glycobiology, State Key Laboratory of Microbial Technology, Shandong University, Qingdao, 266237, China.
| | - Shengjun Wang
- School of Health and Life Sciences, University of Health and Rehabilitation Sciences, Qingdao 266071, China
| | - Peng George Wang
- School of Medicine, Southern University of Science and Technology, Shenzhen, 518055, China.
| | - Yunjiao He
- School of Medicine, Southern University of Science and Technology, Shenzhen, 518055, China.
| | - Yun Kong
- National Glycoengineering Research Center, Shandong Key Laboratory of Carbohydrate Chemistry and Glycobiology, State Key Laboratory of Microbial Technology, Shandong University, Qingdao, 266237, China.
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18
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McCann N, Castellino FJ. Cell Entry and Unusual Replication of SARS-CoV-2. Curr Drug Targets 2022; 23:1539-1554. [PMID: 36239725 DOI: 10.2174/1389450124666221014102927] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Revised: 09/13/2022] [Accepted: 09/19/2022] [Indexed: 01/25/2023]
Abstract
BACKGROUND SARS-CoV-2 is the causative virus for the CoVID-19 pandemic that has frequently mutated to continue to infect and resist available vaccines. Emerging new variants of the virus have complicated notions of immunity conferred by vaccines versus immunity that results from infection. While we continue to progress from epidemic to endemic as a result of this collective immunity, the pandemic remains a morbid and mortal problem. OBJECTIVE The SARS-CoV-2 virus has a very complex manner of replication. The spike protein, one of the four structural proteins of the encapsulated virus, is central to the ability of the virus to penetrate cells to replicate. The objective of this review is to summarize these complex features of viral replication. METHODS A review of the recent literature was performed on the biology of SARS-CoV-2 infection from published work from PubMed and works reported to preprint servers, e.g., bioRxiv and medRxiv. RESULTS AND CONCLUSION The complex molecular and cellular biology involved in SARS-CoV-2 replication and the origination of >30 proteins from a single open reading frame (ORF) have been summarized, as well as the structural biology of spike protein, a critical factor in the cellular entry of the virus, which is a necessary feature for it to replicate and cause disease.
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Affiliation(s)
- Nathan McCann
- Department of Chemistry and Biochemistry and W.M. Keck Center for Transgene Research, University of Notre Dame, Notre Dame, IN 46530, USA
| | - Francis J Castellino
- Department of Chemistry and Biochemistry and W.M. Keck Center for Transgene Research, University of Notre Dame, Notre Dame, IN 46530, USA
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19
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Rodríguez MC, Ceaglio N, Gugliotta A, Villarraza J, Garay E, Fuselli A, Gastaldi V, Tardivo MB, Antuña S, Fontana D, Prieto C. Design and optimization of an IgG human ELISA assay reactive to recombinant RBD SARS-CoV-2 protein. Appl Microbiol Biotechnol 2022; 106:7933-7948. [DOI: 10.1007/s00253-022-12254-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Revised: 10/17/2022] [Accepted: 10/23/2022] [Indexed: 11/06/2022]
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20
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Rong Y, Wang X, Mao W, Yuan F, Chen M, Wang S, Wang PG, Wu Z, He Y, Kong Y. Chemoenzymatic Synthesis of SARS-CoV-2 Homogeneous O-Linked Glycopeptides for Exploring Their Inhibition Functions. ACS Infect Dis 2022; 8:2198-2206. [PMID: 36095241 DOI: 10.1021/acsinfecdis.2c00383] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
Harnessing highly conserved peptides derived from the receptor binding domain (RBD) of spike (S) protein to construct peptide-based inhibitors is one of the most effective strategies to fight against the ever-mutating coronavirus SARS-CoV-2. But how the O-glycosylation affects their inhibition abilities has not been intensively explored. Herein, an intrinsic O-glycosylated peptide P320-334 derived from RBD was screened and homogeneous O-linked glycopeptides containing Tn (GalNAcα1-O-Ser/Thr), T (Galβ1-3GalNAcα1-O-Ser/Thr), sialyl-Tn (sTn, Siaα2-6GalNAcα1-O-Ser/Thr), and sialyl-T (sT, Siaα2-3Galβ1-3GalNAcα1-O-Ser/Thr) structures were first synthesized via chemoenzymatic strategies. Compared with the unglycosylated peptide, the binding of sT-P320-334 to hACE2 was enhanced to 133% and the inhibition capacity against RBD-hACE2 binding of sTn- and sT-P320-334 was significantly increased up to 150-410%. Thus, our results suggest the sialic acid residue on the terminal of short O-glycan structures might strengthen the inhibition capacities of these peptide-based inhibitors, which might provide novel optimization directions for the inhibitor design.
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Affiliation(s)
- Yongheng Rong
- National Glycoengineering Research Center, Shandong Key Laboratory of Carbohydrate Chemistry and Glycobiology, State Key Laboratory of Microbial Technology, Shandong University, Qingdao 266237, China
| | - Xingyun Wang
- School of Medicine, Southern University of Science and Technology, Shenzhen 518055, China
| | - Weian Mao
- National Glycoengineering Research Center, Shandong Key Laboratory of Carbohydrate Chemistry and Glycobiology, State Key Laboratory of Microbial Technology, Shandong University, Qingdao 266237, China
| | - Fang Yuan
- National Glycoengineering Research Center, Shandong Key Laboratory of Carbohydrate Chemistry and Glycobiology, State Key Laboratory of Microbial Technology, Shandong University, Qingdao 266237, China
| | - Min Chen
- National Glycoengineering Research Center, Shandong Key Laboratory of Carbohydrate Chemistry and Glycobiology, State Key Laboratory of Microbial Technology, Shandong University, Qingdao 266237, China
| | - Shengjun Wang
- School of Health and Life Sciences, University of Health and Rehabilitation Sciences, Qingdao 266071, China
| | - Peng George Wang
- School of Medicine, Southern University of Science and Technology, Shenzhen 518055, China
| | - Zhigang Wu
- College of Food and Biology, Hebei University of Science and Technology, Shijiazhuang 050018, China
| | - Yunjiao He
- School of Medicine, Southern University of Science and Technology, Shenzhen 518055, China
| | - Yun Kong
- National Glycoengineering Research Center, Shandong Key Laboratory of Carbohydrate Chemistry and Glycobiology, State Key Laboratory of Microbial Technology, Shandong University, Qingdao 266237, China
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21
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Dong X, Li X, Chen C, Zhang X, Liang X. Systematic analysis and comparison of O-glycosylation of five recombinant spike proteins in β-coronaviruses. Anal Chim Acta 2022; 1230:340394. [PMID: 36192065 PMCID: PMC9478876 DOI: 10.1016/j.aca.2022.340394] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2022] [Revised: 07/27/2022] [Accepted: 09/11/2022] [Indexed: 12/01/2022]
Abstract
β-coronaviruses (β-CoVs), representative with severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2), depend on their highly glycosylated spike proteins to mediate cell entry and membrane fusion. Compared with the extensively identified N-glycosylation, less is known about O-glycosylation of β-CoVs S proteins, let alone its biological functions. Herein we comprehensively characterized O-glycosylation of five recombinant β-CoVs S1 subunits and revealed the macro- and micro-heterogeneity nature of site-specific O-glycosylation. We also uncovered the O-glycosylation differences between SARS-CoV-2 and its natural D614G mutant on functional domains. This work describes the systematic O-glycosylation analysis of β-CoVs S1 proteins and will help to guide the related vaccines and antiviral drugs development.
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Affiliation(s)
- Xuefang Dong
- Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, PR China
| | - Xiuling Li
- Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, PR China; Ganjiang Chinese Medicine Innovation Center, Nanchang, 330000, PR China.
| | - Cheng Chen
- Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, PR China
| | - Xiaofei Zhang
- Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, PR China
| | - Xinmiao Liang
- Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, PR China; Ganjiang Chinese Medicine Innovation Center, Nanchang, 330000, PR China.
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22
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Bui D, Li Z, Kitov PI, Han L, Kitova EN, Fortier M, Fuselier C, Granger Joly de Boissel P, Chatenet D, Doucet N, Tompkins SM, St-Pierre Y, Mahal LK, Klassen JS. Quantifying Biomolecular Interactions Using Slow Mixing Mode (SLOMO) Nanoflow ESI-MS. ACS CENTRAL SCIENCE 2022; 8:963-974. [PMID: 35912341 PMCID: PMC9335916 DOI: 10.1021/acscentsci.2c00215] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/16/2023]
Abstract
Electrospray ionization mass spectrometry (ESI-MS) is a powerful label-free assay for detecting noncovalent biomolecular complexes in vitro and is increasingly used to quantify binding thermochemistry. A common assumption made in ESI-MS affinity measurements is that the relative ion signals of free and bound species quantitatively reflect their relative concentrations in solution. However, this is valid only when the interacting species and their complexes have similar ESI-MS response factors (RFs). For many biomolecular complexes, such as protein-protein interactions, this condition is not satisfied. Existing strategies to correct for nonuniform RFs are generally incompatible with static nanoflow ESI (nanoESI) sources, which are typically used for biomolecular interaction studies, thereby significantly limiting the utility of ESI-MS. Here, we introduce slow mixing mode (SLOMO) nanoESI-MS, a direct technique that allows both the RF and affinity (K d) for a biomolecular interaction to be determined from a single measurement using static nanoESI. The approach relies on the continuous monitoring of interacting species and their complexes under nonhomogeneous solution conditions. Changes in ion signals of free and bound species as the system approaches or moves away from a steady-state condition allow the relative RFs of the free and bound species to be determined. Combining the relative RF and the relative abundances measured under equilibrium conditions enables the K d to be calculated. The reliability of SLOMO and its ease of use is demonstrated through affinity measurements performed on peptide-antibiotic, protease-protein inhibitor, and protein oligomerization systems. Finally, affinities measured for the binding of human and bacterial lectins to a nanobody, a viral glycoprotein, and glycolipids displayed within a model membrane highlight the tremendous power and versatility of SLOMO for accurately quantifying a wide range of biomolecular interactions important to human health and disease.
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Affiliation(s)
- Duong
T. Bui
- Department
of Chemistry, University of Alberta, Edmonton, Alberta T6G 2G2, Canada
| | - Zhixiong Li
- Department
of Chemistry, University of Alberta, Edmonton, Alberta T6G 2G2, Canada
| | - Pavel I. Kitov
- Department
of Chemistry, University of Alberta, Edmonton, Alberta T6G 2G2, Canada
| | - Ling Han
- Department
of Chemistry, University of Alberta, Edmonton, Alberta T6G 2G2, Canada
| | - Elena N. Kitova
- Department
of Chemistry, University of Alberta, Edmonton, Alberta T6G 2G2, Canada
| | - Marlène Fortier
- Centre
Armand-Frappier Santé Biotechnologie, Institut National de la Recherche Scientifique (INRS), Université
du Québec, Laval, Québec H7V 1B7, Canada
| | - Camille Fuselier
- Centre
Armand-Frappier Santé Biotechnologie, Institut National de la Recherche Scientifique (INRS), Université
du Québec, Laval, Québec H7V 1B7, Canada
| | - Philippine Granger Joly de Boissel
- Centre
Armand-Frappier Santé Biotechnologie, Institut National de la Recherche Scientifique (INRS), Université
du Québec, Laval, Québec H7V 1B7, Canada
| | - David Chatenet
- Centre
Armand-Frappier Santé Biotechnologie, Institut National de la Recherche Scientifique (INRS), Université
du Québec, Laval, Québec H7V 1B7, Canada
| | - Nicolas Doucet
- Centre
Armand-Frappier Santé Biotechnologie, Institut National de la Recherche Scientifique (INRS), Université
du Québec, Laval, Québec H7V 1B7, Canada
| | - Stephen M. Tompkins
- Center
for Vaccines and Immunology, University
of Georgia, Athens, Georgia 30605, United States
- Emory-UGA
Centers of Excellence for Influenza Research and Surveillance (CEIRS), Emory University School of Medicine, Athens, Georgia 30322, United States
| | - Yves St-Pierre
- Centre
Armand-Frappier Santé Biotechnologie, Institut National de la Recherche Scientifique (INRS), Université
du Québec, Laval, Québec H7V 1B7, Canada
| | - Lara K. Mahal
- Department
of Chemistry, University of Alberta, Edmonton, Alberta T6G 2G2, Canada
| | - John S. Klassen
- Department
of Chemistry, University of Alberta, Edmonton, Alberta T6G 2G2, Canada
- . Telephone: (780) 492-3501. Fax: (780) 492-8231
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23
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Rubio-Casillas A, Redwan EM, Uversky VN. SARS-CoV-2: A Master of Immune Evasion. Biomedicines 2022; 10:biomedicines10061339. [PMID: 35740361 PMCID: PMC9220273 DOI: 10.3390/biomedicines10061339] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Revised: 06/03/2022] [Accepted: 06/04/2022] [Indexed: 02/07/2023] Open
Abstract
Viruses and their hosts have coevolved for a long time. This coevolution places both the pathogen and the human immune system under selective pressure; on the one hand, the immune system has evolved to combat viruses and virally infected cells, while viruses have developed sophisticated mechanisms to escape recognition and destruction by the immune system. SARS-CoV-2, the pathogen that is causing the current COVID-19 pandemic, has shown a remarkable ability to escape antibody neutralization, putting vaccine efficacy at risk. One of the virus’s immune evasion strategies is mitochondrial sabotage: by causing reactive oxygen species (ROS) production, mitochondrial physiology is impaired, and the interferon antiviral response is suppressed. Seminal studies have identified an intra-cytoplasmatic pathway for viral infection, which occurs through the construction of tunneling nanotubes (TNTs), hence enhancing infection and avoiding immune surveillance. Another method of evading immune monitoring is the disruption of the antigen presentation. In this scenario, SARS-CoV-2 infection reduces MHC-I molecule expression: SARS-CoV-2’s open reading frames (ORF 6 and ORF 8) produce viral proteins that specifically downregulate MHC-I molecules. All of these strategies are also exploited by other viruses to elude immune detection and should be studied in depth to improve the effectiveness of future antiviral treatments. Compared to the Wuhan strain or the Delta variant, Omicron has developed mutations that have impaired its ability to generate syncytia, thus reducing its pathogenicity. Conversely, other mutations have allowed it to escape antibody neutralization and preventing cellular immune recognition, making it the most contagious and evasive variant to date.
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Affiliation(s)
- Alberto Rubio-Casillas
- Biology Laboratory, Autlán Regional Preparatory School, University of Guadalajara, Autlán 48900, Jalisco, Mexico
- Correspondence: (A.R.-C.); (V.N.U.); Tel.: +52-317-38-935-55 (A.R.-C.)
| | - Elrashdy M. Redwan
- Biological Science Department, Faculty of Science, King Abdulaziz University, P.O. Box 80203, Jeddah 21589, Saudi Arabia;
- Therapeutic and Protective Proteins Laboratory, Protein Research Department, Genetic Engineering and Biotechnology Research Institute, City for Scientific Research and Technology Applications, New Borg EL-Arab, Alexandria 21934, Egypt
| | - Vladimir N. Uversky
- Department of Molecular Medicine and USF Health Byrd Alzheimer’s Research Institute, Morsani College of Medicine, University of South Florida, Tampa, FL 33612, USA
- Correspondence: (A.R.-C.); (V.N.U.); Tel.: +52-317-38-935-55 (A.R.-C.)
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25
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Zepeda-Cervantes J, Martínez-Flores D, Ramírez-Jarquín JO, Tecalco-Cruz ÁC, Alavez-Pérez NS, Vaca L, Sarmiento-Silva RE. Implications of the Immune Polymorphisms of the Host and the Genetic Variability of SARS-CoV-2 in the Development of COVID-19. Viruses 2022; 14:94. [PMID: 35062298 PMCID: PMC8778858 DOI: 10.3390/v14010094] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Revised: 12/22/2021] [Accepted: 12/28/2021] [Indexed: 01/08/2023] Open
Abstract
The severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) is responsible for the current pandemic affecting almost all countries in the world. SARS-CoV-2 is the agent responsible for coronavirus disease 19 (COVID-19), which has claimed millions of lives around the world. In most patients, SARS-CoV-2 infection does not cause clinical signs. However, some infected people develop symptoms, which include loss of smell or taste, fever, dry cough, headache, severe pneumonia, as well as coagulation disorders. The aim of this work is to report genetic factors of SARS-CoV-2 and host-associated to severe COVID-19, placing special emphasis on the viral entry and molecules of the immune system involved with viral infection. Besides this, we analyze SARS-CoV-2 variants and their structural characteristics related to the binding to polymorphic angiotensin-converting enzyme type 2 (ACE2). Additionally, we also review other polymorphisms as well as some epigenetic factors involved in the immunopathogenesis of COVID-19. These factors and viral variability could explain the increment of infection rate and/or in the development of severe COVID-19.
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Affiliation(s)
- Jesús Zepeda-Cervantes
- Departamento de Microbiología e Inmunología, Facultad de Medicina Veterinaria y Zootecnia, Universidad Nacional Autónoma de México, Mexico City 04510, Mexico;
| | - Daniel Martínez-Flores
- Departamento de Biología Celular y del Desarrollo, Instituto de Fisiología Celular, Universidad Nacional Autónoma de México, Mexico City 04510, Mexico;
| | - Josué Orlando Ramírez-Jarquín
- Departamento de Neuropatología Molecular, Instituto de Fisiología Celular, Universidad Nacional Autónoma de México, Mexico City 04510, Mexico;
| | - Ángeles C. Tecalco-Cruz
- Posgrado en Ciencias Genómicas, Universidad Autónoma de la Ciudad de México (UACM), Mexico City 06720, Mexico;
| | - Noé Santiago Alavez-Pérez
- Escuela Nacional de Medicina y Homeopatía, Instituto Politécnico Nacional, Mexico City 07340, Mexico;
| | - Luis Vaca
- Departamento de Biología Celular y del Desarrollo, Instituto de Fisiología Celular, Universidad Nacional Autónoma de México, Mexico City 04510, Mexico;
| | - Rosa Elena Sarmiento-Silva
- Departamento de Microbiología e Inmunología, Facultad de Medicina Veterinaria y Zootecnia, Universidad Nacional Autónoma de México, Mexico City 04510, Mexico;
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26
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Gong Y, Qin S, Dai L, Tian Z. The glycosylation in SARS-CoV-2 and its receptor ACE2. Signal Transduct Target Ther 2021; 6:396. [PMID: 34782609 PMCID: PMC8591162 DOI: 10.1038/s41392-021-00809-8] [Citation(s) in RCA: 96] [Impact Index Per Article: 32.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2021] [Revised: 10/10/2021] [Accepted: 10/24/2021] [Indexed: 02/05/2023] Open
Abstract
Coronavirus disease 2019 (COVID-19), a highly infectious disease caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), has infected more than 235 million individuals and led to more than 4.8 million deaths worldwide as of October 5 2021. Cryo-electron microscopy and topology show that the SARS-CoV-2 genome encodes lots of highly glycosylated proteins, such as spike (S), envelope (E), membrane (M), and ORF3a proteins, which are responsible for host recognition, penetration, binding, recycling and pathogenesis. Here we reviewed the detections, substrates, biological functions of the glycosylation in SARS-CoV-2 proteins as well as the human receptor ACE2, and also summarized the approved and undergoing SARS-CoV-2 therapeutics associated with glycosylation. This review may not only broad the understanding of viral glycobiology, but also provide key clues for the development of new preventive and therapeutic methodologies against SARS-CoV-2 and its variants.
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Affiliation(s)
- Yanqiu Gong
- National Clinical Research Center for Geriatrics and Department of General Practice, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, and Collaborative Innovation Center of Biotherapy, 610041, Chengdu, China
| | - Suideng Qin
- School of Chemical Science & Engineering, Shanghai Key Laboratory of Chemical Assessment and Sustainability, Tongji University, 200092, Shanghai, China
| | - Lunzhi Dai
- National Clinical Research Center for Geriatrics and Department of General Practice, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, and Collaborative Innovation Center of Biotherapy, 610041, Chengdu, China.
| | - Zhixin Tian
- School of Chemical Science & Engineering, Shanghai Key Laboratory of Chemical Assessment and Sustainability, Tongji University, 200092, Shanghai, China.
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